Improvement in pumps



@einen gisten getest @fitta ANDREW J. REYNOLDS, 0F STURGIS, MGHGAN.

Lettera Patent No. 69,250, dated September Q4, 1867.

inraovcucufr in cours.

TO WHOM IT MAY CONOERN:

Beit known that I, ANDREW J. REYNOLDS, ot' Sturgis, St. Joseph county, Michigan, have invented. a new and useful Improvement in Pumps; and I hereby declare the following to be a 'ull, clcar, and exact, descriptior` thereof, reference being had to the accompanying;r drawings, making part of this specification.

My improvements relate to that class of hydraulic apparatus commonly known as submerged ferccpumps, and the first part of my invention consists in a peculiar arrangement ofthe valves, by which the pump is rendered more certain and effectual in its action, and not se'liable to get out of repair, and this mode of construction enables mc to furnish a superior article at a reduced price.

The second part of my invention consists in a method of suspending the pump within the well or cistern, so that it will accommodate itself to any angular inclination of the piston-rod, thus insuring the pump from any injurious straining or binding, and enabling it to be operated with the least amount of power. In the accompanying drniwings- Figure'l is an axial section ot" a force-pump embodying my improvements.

Figure 2 is a horizontal section et' the same, taken at the line X X.

Figure 3 is a horizontal section at the line Y Y, the piston valve being represented in its depressed position.

The cylinder A of the pump, together with the lower head B and upper flange C, are eill cast in one piece, and said flange is provided with a number et' scre\vthreadei`i apertures, e, for the reception of the bolts D, by which the upper head1?. is attached to the cylinder. Thf upper cyliiuler-l'iead has aport, e, clos-able by an internal induction valve, F, which plays between the under side of said head und the scat G. This seatis east with the cylinder-head, and is connected therewith by two short projections or lugs, y y, and the distante between the cylini'ler-head E und the seat G determines the stroke ot` the valve l". lising verticall f' from the Cylindenhcad E is an elongated bess or neck, ll, within which the pistolero-d move-s, und said neck performs the functions of a stuiingbox, but no packing is' contained within itA The lower head i5 provided with an annular port, I), for'the reception of an ordinary valve, I. The piston l and tubular'pistoinrod K are cast in one piece, the exterior surfaces of both being turned cylindrical, so' that they may fit snugly, 'and at the same time ple-y freely within the pump-barrel A and thc neck L The upper end of the piston-ro l is screw-threaded ntic, and a joint of gas pipe or other suitable tubing, K', is connected to the piston-rod, und this extra tube is attached to the lever by which the pump is operated. In deep wells any number of intermediate tubes muy he employed between the lever and the pump. The piston J is a incre shell, being chambcrcd out at L, and this chamber comprises the greater portion of the interior of thc piston. The remaining portion ot` the piston is occupied by a port, M, which passes completely through the piston, and 'thisl port communicates with the chamber L. Rising vertically from the bottom of this chamber is a short pin, N, which serves/to confine to a vertical path the piston-valve which may be of leather, lullin rubber, or any other suitable material, The pin N llores from towards the centreoi' the piston outwards, and the piston-valve O being notched at o, so as to embrace said pin, it cannot be accidentally detached therefrom.4 In order to enable the piston to be uatenpacked"l it is provided with a series ot circumferential grooves, j. The pump is attached to the beam R'by the following devices: Projecting from the sides ot' the pump-cylinder A are two trunnions, S S", which havejournal-bearings within the two brackets T T', the latter beinf-r securely attached to the beam The operation of my pump is clearly shown in iig. l, in which, the black arrow indicates the direction in which the piston is-supposcd to be moving, the red arrow shows the inllowing current oi water, and the blue arrow represents the body of' water which is being expelled from the puulp-cyliudeix The pump being` submerged, the cylinder will be always filled, the upper valvcfF resting upon its seat G', and the piston-valve G being in its depressed condition, and covering the lower entrance to the port M, as shown in The moment the piston is elevated the water will be compressed in the upper portion of the cylinder, thereby lifting the valve F und closing the port e, and as no water can escape through said port, thc contents ofthe cylinder are forced out through the port M, chamber L, and tubular piston-rod K Y. This upward movement of the piston retains the valve O in its depressed position, and also litts the lower @duction vulve I, by which means the lower part-v of the pump-cylinder is lled as rapidly as the piston ascends. When the tip-stroke has ceased, and as soon as the piston is reversed, the valve I is lclosed, thus compressing the water in the lower part of the cylinder, by

which means the piston-valve O is elevated, so as to prevent any communication between the upper portion of the cylinder and the discharge pipe K K', and the contents of the lower part of the pump are expelled through the port M, chamber L, and pistou-rod K K', as indicated by the -blue arrow. This reversed movement of the piston allows the upper eduction valve F todrop to its seat G, and the pump is filled through the port e, as shown by the red arrow, and the continued reoiprocation of the piston lls and empties the pump in the manner described. As the pump is not attached rigidly to the beam R, but is allowed to turn upon its tr'unnions S S',

it willbe seen that it can give suciently to enable the piston-rod to move with ease, as thc cylinder' can oscillate at each and every stroke, by which means the durability of the pump is greatly increased.

I claim herein as new, and of my invention- 1. The arrangement in a hollow'piston of the piston-valve O and guide-pin N, as and for the purpose set forth. l

2. The construction of the upper cylinder-head, with the induction port e and valve-seat G g g', as and for the purpose specied. I

3. The arrangement lin a submerged pump of the ports D e M, valves F I O, and hollow piston and rod L K, as herein described and represented. I

In testimony of which invention I hereunto set my hand.

v A. J. REYNOLDS.

Witnesses:

GEO. H. KNIGHT, JAMES H. LAYMAN. 

